Gustavo Werneck Da Cunha sold $409k of GGB
CEO and Board Member at GERDAU S.A.. 100,000 shares at an average of $4.09, traded Apr 8, 2026, filed Apr 10, 2026.
Score components
- +25RoleCEO
- +16Trade size$408k at market
- +20Share of holdings soldSold 53% of holdings
- +15Cluster4 insiders selling within 14 days
What happened after comparable sells
Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.
This signal so far: 1m +14.7%, 3m +7.2%, 6m +23.3%.
Price around the trade, and since
From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™
Rows in this filing
Every transaction in Form 4 0002120774-26-000001, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| Apr 8, 2026 | SOpen-market sale Preferred shares | -50,000 | $4.01 | $201k | 138,080 | Apr 10, 2026 |
| Apr 9, 2026 | SOpen-market sale Preferred shares | -50,000 | $4.16 | $208k | 88,080 | Apr 10, 2026 |
Related signals
Other insiders at GERDAU S.A. and this insider’s other filings.
| Score | Company | Insider | Value | Holdings | Filed |
|---|---|---|---|---|---|
| 52Moderate | GERDAU S.A. | Claudio Johannpeter other | $423k 85,607 shares | -100% | |
| 39Weak | GERDAU S.A. | Rafael Gamboa Lopes other | $264k 51,800 shares | -38% | |
| 50Moderate | GERDAU S.A. | Marcos Zilles Mattiello other | $53k 10,387 shares | -100% | |
| 44Moderate | GERDAU S.A. | Andre Bier Gerdau Johannpeter other | $490k 99,200 shares | -29% | |
| 28Weak | GERDAU S.A. | Rafael Dorneles Japur other | $51k 10,000 shares | -10% | |
| 55Moderate | GGBbuy GERDAU S.A. | Gustavo Werneck Da Cunha CEO and Board Member | $782k 165,224 shares | - | |
| 54Moderate | GERDAU S.A. | Chia Yuan Wang other | $139k 30,935 shares | -100% | |
| 34Weak | GERDAU S.A. | Mauricio Metz other | $34k 7,000 shares | -24% | |
| 28Weak | GERDAU S.A. | Mauricio Metz other | $24k 5,000 shares | -14% | |
| 23Weak | GERDAU S.A. | Rafael Dorneles Japur other | $24k 5,000 shares | -5% |
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.